//父組件
<div>
  <h3>父組件</h3>
  <testChild>
   <div>默認(rèn)插槽</div>
  </testChild>
</div>

//子組件
<div>
 <h4>子組件</h4>
 <slot></slot>
</div>

//父組件
<div>
  <h3>父組件</h3>
  <testChild>
   <template v-slot:test>//v-slot: + 插槽名
    <ul>
     <li v-for="item in list">{{item.name}}</li>
    </ul>
   </template>
  </testChild>
 </div>
//子組件
 <div>
  <h4>子組件</h4>
  <slot name="test"></slot> //name="插槽名"
 </div>

//父組件 
 <div>
  <h3>父組件</h3>
  <testChild>
   <template v-slot:test="data">//具名插槽，v-slot: +插槽名+ ="自定義數(shù)據(jù)名"，子組件所傳參數(shù)都是其屬性
    <ul>
     <li v-for="item in data.list2">{{item.name}}</li>
    </ul>
   </template>
   <template v-slot="dataDefalut">//默認(rèn)插槽
    {{dataDefalut.sName}}
   </template>
  </testChild>
 </div>

//子組件
<template>
 <div>
  <h4>子組件</h4>
  <slot name="test" :list2="list2"></slot>
  <slot :sName="name"></slot>
 </div>
</template>
<script>
 export default {
  name: "testChild",
  data(){
   return {
    list2:[
     {name:'ccc'},
     {name:'ddd'}
    ],
    name:'name'
   }
  }
 }
</script>

<template>
 <div @click="$emit('change',checked+1)">
  <slot name="icon" :text="text"></slot>
 </div>
</template>
<script>
 export default{
  data(){
   return {
    text:"我是子組件"
   }
  },
  props:["checked"],
  model:{
   prop: 'checked',
   event: 'change'
  }
 }
</script>

<template>
 <div id="app">
  <img src="./assets/logo.png">
  <!--<router-view/>-->
  <car v-model="index">
   <div slot="icon" slot-scope="props">
    {{props.text}}
   </div>
  </car>
 </div>
</template>